Refrigerator



FIG. 1 is a front/right-side/top perspective view of a refrigerator showing our new design;

FIG. 2 is a front-side elevation view thereof;

FIG. 3 is a rear-side elevation view thereof;

FIG. 4 is a left-side elevation view thereof;

FIG. 5 is a right-side elevation view thereof;

FIG. 6 is a top-side elevation view thereof;

FIG. 7 is a bottom-side elevation view thereof; and,

FIG. 8 is a front/right-side top perspective view thereof, with the doors being shown in an open position.

Features shown in broke lines are disclaimed and form no part of the claimed design. 

CLAIM I claim the ornamental design for a refrigerator, as shown and described. 